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  1. To examine the trend of "mobile only" households, and households that have a mobile phone or landline telephone listed in the telephone directory, and to describe these groups by various socio-demographic and ...

    Authors: Eleonora Dal Grande and Anne W Taylor
    Citation: BMC Medical Research Methodology 2010 10:77
  2. The identification of health services research in databases such as PubMed/Medline is a cumbersome task. This task becomes even more difficult if the field of interest involves the use of diverse methods and d...

    Authors: Michael Simon, Elke Hausner, Susan F Klaus and Nancy E Dunton
    Citation: BMC Medical Research Methodology 2010 10:76
  3. The CQ Index for the elderly, a quality-of-care questionnaire administered by conducting interviews, is used to assess clients' experiences in Dutch nursing homes and homes for the elderly. This article descri...

    Authors: Sjenny Winters, Mathilde H Strating, Niek S Klazinga, Rudolf B Kool and Robbert Huijsman
    Citation: BMC Medical Research Methodology 2010 10:75
  4. Geographical health inequalities are naturally described by the variation in health outcomes between areas (e.g. mortality rates). However, comparisons made between countries are hampered by our lack of unders...

    Authors: Andrew L Jackson, Carolyn A Davies and Alastair H Leyland
    Citation: BMC Medical Research Methodology 2010 10:74
  5. Children's health and health behaviour are essential for their development and it is important to obtain abundant and accurate information to understand young people's health and health behaviour. The Health B...

    Authors: Yang Liu, Mei Wang, Jorma Tynjälä, Yan Lv, Jari Villberg, Zhouyang Zhang and Lasse Kannas
    Citation: BMC Medical Research Methodology 2010 10:73
  6. The purpose of Abbreviated Injury Scale (AIS) is to code various types of Traumatic Brain Injuries (TBI) based on their anatomical location and severity. The Marshall CT Classification is used to identify thos...

    Authors: Mehdi M Lesko, Maralyn Woodford, Laura White, Sarah J O'Brien, Charmaine Childs and Fiona E Lecky
    Citation: BMC Medical Research Methodology 2010 10:72
  7. There are well-established risk factors, such as lower education, for attrition of study participants. Consequently, the representativeness of the cohort in a longitudinal study may deteriorate over time. Deat...

    Authors: Samuel L Brilleman, Nancy A Pachana and Annette J Dobson
    Citation: BMC Medical Research Methodology 2010 10:71
  8. In the United States, the Health Insurance Portability and Accountability Act (HIPAA) protects the confidentiality of patient data and requires the informed consent of the patient and approval of the Internal ...

    Authors: Stephane M Meystre, F Jeffrey Friedlin, Brett R South, Shuying Shen and Matthew H Samore
    Citation: BMC Medical Research Methodology 2010 10:70
  9. Joint modeling of longitudinal and survival data has been increasingly considered in clinical trials, notably in cancer and AIDS. In critically ill patients admitted to an intensive care unit (ICU), such model...

    Authors: Emmanuelle Deslandes and Sylvie Chevret
    Citation: BMC Medical Research Methodology 2010 10:69
  10. Psychological distress is a widespread indicator of mental health and mental illness in research and clinical settings. A recurrent finding from epidemiological studies and population surveys is that women rep...

    Authors: Aline Drapeau, Dominic Beaulieu-Prévost, Alain Marchand, Richard Boyer, Michel Préville and Sylvia Kairouz
    Citation: BMC Medical Research Methodology 2010 10:68
  11. In 2004, a review of pilot studies published in seven major medical journals during 2000-01 recommended that the statistical analysis of such studies should be either mainly descriptive or focus on sample size...

    Authors: Mubashir Arain, Michael J Campbell, Cindy L Cooper and Gillian A Lancaster
    Citation: BMC Medical Research Methodology 2010 10:67
  12. Several papers have discussed which effect measures are appropriate to capture the contrast between exposure groups in cross-sectional studies, and which related multivariate models are suitable. Although some...

    Authors: Michael E Reichenheim and Evandro SF Coutinho
    Citation: BMC Medical Research Methodology 2010 10:66
  13. In recent years, response rates to telephone surveys have declined. Online surveys may miss many older and poorer adults. Mailed surveys may have promise in securing higher response rates.

    Authors: Bridget J Kelly, Taressa K Fraze and Robert C Hornik
    Citation: BMC Medical Research Methodology 2010 10:65
  14. Informing health care decision making may necessitate the synthesis of evidence from different study designs (e.g., randomised controlled trials, non-randomised/observational studies). Methods for synthesising...

    Authors: C Elizabeth McCarron, Eleanor M Pullenayegum, Lehana Thabane, Ron Goeree and Jean-Eric Tarride
    Citation: BMC Medical Research Methodology 2010 10:64
  15. There is considerable clinician and researcher interest in whether the outcomes for patients with low back pain, and the efficiency of the health systems that treat them, can be improved by 'subgrouping resear...

    Authors: Peter Kent, Jennifer L Keating and Charlotte Leboeuf-Yde
    Citation: BMC Medical Research Methodology 2010 10:62
  16. Rates of maternal and perinatal mortality remain high in developing countries despite the existence of effective interventions. Efforts to strengthen evidence-based approaches to improve health in these settin...

    Authors: Steve McDonald, Tari Turner, Catherine Chamberlain, Pisake Lumbiganon, Jadsada Thinkhamrop, Mario R Festin, Jacqueline J Ho, Hakimi Mohammad, David J Henderson-Smart, Jacki Short, Caroline A Crowther, Ruth Martis and Sally Green
    Citation: BMC Medical Research Methodology 2010 10:61
  17. A recent joint report from the Institute of Medicine and the National Academy of Engineering, highlights the benefits of--indeed, the need for--mathematical analysis of healthcare delivery. Tools for such anal...

    Authors: E Michael Foster, Michael R Hosking and Serhan Ziya
    Citation: BMC Medical Research Methodology 2010 10:60
  18. Malaria remains a burden in Sub-Saharan Countries. The strategy proposed by the World Health Organization (WHO) is to systematically compare the therapeutic efficacy of antimalarial drugs using as primary outc...

    Authors: Solange Youdom Whegang, Leonardo K Basco, Henri Gwét and Jean-Christophe Thalabard
    Citation: BMC Medical Research Methodology 2010 10:58
  19. For large scale epidemiological studies clinical assessments and radiographs can be impractical and expensive to apply to more than just a sample of the population examined. The study objectives were to develo...

    Authors: Sarah L Ingham, Amanda Moody, Abhishek Abhishek, Sally A Doherty, Weiya Zhang and Michael Doherty
    Citation: BMC Medical Research Methodology 2010 10:57
  20. Cleaners are rarely introduced to workplace health promotion programs. The study's objective was to evaluate the reach and adoption of a workplace randomized controlled trial (RCT) among cleaners in Denmark.

    Authors: Marie B Jørgensen, Charlotte DN Rasmussen, Dorte Ekner and Karen Søgaard
    Citation: BMC Medical Research Methodology 2010 10:56
  21. A zero-inflated continuous outcome is characterized by occurrence of "excess" zeros that more than a single distribution can explain, with the positive observations forming a skewed distribution. Mixture model...

    Authors: Sadia Mahmud, WY Wendy Lou and Neil W Johnston
    Citation: BMC Medical Research Methodology 2010 10:55
  22. Data on survival endpoints are usually summarised using either hazard ratio, cumulative number of events, or median survival statistics. Network meta-analysis, an extension of traditional pairwise meta-analysi...

    Authors: Beth S Woods, Neil Hawkins and David A Scott
    Citation: BMC Medical Research Methodology 2010 10:54
  23. To address three methodological challenges when attempting to measure patients' experiences and views of a system of inter-related health services rather than a single service: the feasibility of a population ...

    Authors: Alicia O'Cathain, Emma Knowles and Jon Nicholl
    Citation: BMC Medical Research Methodology 2010 10:52
  24. The collection of individual-level pandemic (H1N1) 2009 influenza immunization data was considered important to facilitate optimal vaccine delivery and accurate assessment of vaccine coverage. These data are a...

    Authors: Jennifer A Pereira, Susan Quach, Christine Heidebrecht, Julie Foisy, Sherman Quan, Michael Finkelstein, Christopher A Sikora, Julie A Bettinger, David L Buckeridge, Anne McCarthy, Shelley Deeks and Jeffrey C Kwong
    Citation: BMC Medical Research Methodology 2010 10:51
  25. Evidence suggests that survey response rates are decreasing and that the level of survey response can be influenced by questionnaire length and the use of pre-notification. The goal of the present investigatio...

    Authors: Timothy J Beebe, Enrique Rey, Jeanette Y Ziegenfuss, Sarah Jenkins, Kandace Lackore, Nicholas J Talley and Richard G Locke III
    Citation: BMC Medical Research Methodology 2010 10:50
  26. Investigators designing clinical trials often use composite outcomes to overcome many statistical issues. Trialists want to maximize power to show a statistically significant treatment effect and avoid inflati...

    Authors: Janice Pogue, Lehana Thabane, PJ Devereaux and Salim Yusuf
    Citation: BMC Medical Research Methodology 2010 10:49
  27. The capacity of multiple comparisons to produce false positive findings in genetic association studies is abundantly clear. To address this issue, the concept of false positive report probability (FPRP) measur...

    Authors: Rolf Weitkunat, Etienne Kaelin, Grégory Vuillaume and Gerd Kallischnigg
    Citation: BMC Medical Research Methodology 2010 10:47
  28. The purpose of the linguistic validation of the Wisconsin Smoking Withdrawal Scale (WSWS) was to produce a translated version in Malay language which was "conceptually equivalent" to the original U.S. English ...

    Authors: Ahmed Awaisu, Sulastri Samsudin, Nur A Amir, Che G Omar, Mohd I Hashim, Mohamed H Nik Mohamad, Asrul A Shafie and Mohamed A Hassali
    Citation: BMC Medical Research Methodology 2010 10:46
  29. Previous studies have analyzed the psychometric properties of the World Health Organization Disability Assessment Schedule II (WHO-DAS II) using classical omnibus measures of scale quality. These analyses are ...

    Authors: Juan V Luciano, José L Ayuso-Mateos, Jaume Aguado, Ana Fernandez, Antoni Serrano-Blanco, Miquel Roca and Josep M Haro
    Citation: BMC Medical Research Methodology 2010 10:45
  30. The null hypothesis significance test (NHST) is the most frequently used statistical method, although its inferential validity has been widely criticized since its introduction. In 1988, the International Committ...

    Authors: Luis Carlos Silva-Ayçaguer, Patricio Suárez-Gil and Ana Fernández-Somoano
    Citation: BMC Medical Research Methodology 2010 10:44
  31. Statistical tests of heterogeneity are very popular in meta-analyses, as heterogeneity might indicate subgroup effects. Lack of demonstrable statistical heterogeneity, however, might obscure clinical heterogen...

    Authors: Rolf HH Groenwold, Maroeska M Rovers, Jacobus Lubsen and Geert JMG van der Heijden
    Citation: BMC Medical Research Methodology 2010 10:43
  32. Surname lists are useful for identifying cohorts of ethnic minority patients from secondary data sources. This study sought to develop and validate lists to identify people of South Asian and Chinese origin.

    Authors: Baiju R Shah, Maria Chiu, Shubarna Amin, Meera Ramani, Sharon Sadry and Jack V Tu
    Citation: BMC Medical Research Methodology 2010 10:42
  33. There is little robust evidence to test the policy assumption that housing-led area regeneration strategies will contribute to health improvement and reduce social inequalities in health. The GoWell Programme ...

    Authors: Matt Egan, Ade Kearns, Phil Mason, Carol Tannahill, Lyndal Bond, Jennie Coyle, Sheila Beck, Fiona Crawford, Phil Hanlon, Louise Lawson, Jennifer McLean, Mark Petticrew, Elena Sautkina, Hilary Thomson and David Walsh
    Citation: BMC Medical Research Methodology 2010 10:41
  34. In epidemiological studies, subjects are often followed for a period during which study outcomes are measured at selected time points, such as by diagnostic testing performed on biological samples collected at...

    Authors: Xiangrong Kong, Kellie J Archer, Lawrence H Moulton, Ronald H Gray and Mei-Cheng Wang
    Citation: BMC Medical Research Methodology 2010 10:40
  35. Infectious intestinal disease (IID), usually presenting as diarrhoea and vomiting, is frequently preventable. Though often mild and self-limiting, its commonness makes IID an important public health problem. I...

    Authors: Sarah J O'Brien, Greta Rait, Paul R Hunter, James J Gray, Frederick J Bolton, David S Tompkins, Jim McLauchlin, Louise H Letley, Goutam K Adak, John M Cowden, Meirion R Evans, Keith R Neal, Gillian E Smith, Brian Smyth, Clarence C Tam and Laura C Rodrigues
    Citation: BMC Medical Research Methodology 2010 10:39
  36. Trials frequently encounter difficulties in recruitment, but evidence on effective recruitment methods in primary care is sparse. A robust test of recruitment methods involves comparing alternative methods usi...

    Authors: Jonathan Graffy, Peter Bower, Elaine Ward, Paul Wallace, Brendan Delaney, Ann-Louise Kinmonth, David Collier and Julia Miller
    Citation: BMC Medical Research Methodology 2010 10:38
  37. The use of structural equation modeling and latent variables remains uncommon in epidemiology despite its potential usefulness. The latter was illustrated by studying cross-sectional and longitudinal relations...

    Authors: Michel Chavance, Sylvie Escolano, Monique Romon, Arnaud Basdevant, Blandine de Lauzon-Guillain and Marie Aline Charles
    Citation: BMC Medical Research Methodology 2010 10:37
  38. Although aging is accompanied by diminished functioning, many elderly individuals preserve a sense of well-being. While the concept of "successful aging" has been popular for many decades, little is known abou...

    Authors: Maria E Lacruz, Rebecca T Emeny, Horst Bickel, Barbara Cramer, Alexander Kurz, Martin Bidlingmaier, Dorothea Huber, Günther Klug, Annette Peters and Karl H Ladwig
    Citation: BMC Medical Research Methodology 2010 10:36
  39. In Alzheimer's disease (AD) research patients are usually recruited from clinical practice, memory clinics or nursing homes. Lack of standardised inclusion and diagnostic criteria is a major concern in current...

    Authors: Fred Andersen, Torgeir A Engstad, Bjørn Straume, Matti Viitanen, Dag S Halvorsen, Samuel Hykkerud and Kjell Sjøbrend
    Citation: BMC Medical Research Methodology 2010 10:35
  40. The systematic review (SR) lies at the core of evidence-based medicine. While it may appear that the SR provides a reliable summary of existing evidence, standards of SR conduct differ. The objective of this r...

    Authors: Laura J Rosen, Michal Ben Noach and Elliot Rosenberg
    Citation: BMC Medical Research Methodology 2010 10:34
  41. Survival analysis methods such as the Kaplan-Meier method, log-rank test, and Cox proportional hazards regression (Cox regression) are commonly used to analyze data from randomized withdrawal studies in patien...

    Authors: Ichiro Arano, Tomoyuki Sugimoto, Toshimitsu Hamasaki and Yuko Ohno
    Citation: BMC Medical Research Methodology 2010 10:33
  42. In an agreement assay, it is of interest to evaluate the degree of agreement between the different methods (devices, instruments or observers) used to measure the same characteristic. We propose in this study ...

    Authors: Geòrgia Escaramís, Carlos Ascaso and Josep L Carrasco
    Citation: BMC Medical Research Methodology 2010 10:31
  43. The systematic collection of high-quality mortality data is a prerequisite in designing relevant drowning prevention programmes. This descriptive study aimed to assess the quality (i.e., level of specificity) ...

    Authors: Tsung-Hsueh Lu, Philippe Lunetta and Sue Walker
    Citation: BMC Medical Research Methodology 2010 10:30
  44. Asthma is a significant public health problem in the Caribbean. Prevalence surveys using standardized measures of asthma provide valid prevalence estimates to facilitate regional and international comparisons ...

    Authors: Eulalia K Kahwa, Novie O Younger, Yvonne B Wint, Norman K Waldron, Hermi H Hewitt, Jennifer M Knight-Madden, Kay A Bailey, Nancy C Edwards, Laurel R Talabere and Karen N Lewis-Bell
    Citation: BMC Medical Research Methodology 2010 10:29
  45. There is little empirical evidence regarding the generalisability of relative risk estimates from studies which have relatively low response rates or are of limited representativeness. The aim of this study wa...

    Authors: Nicole M Mealing, Emily Banks, Louisa R Jorm, David G Steel, Mark S Clements and Kris D Rogers
    Citation: BMC Medical Research Methodology 2010 10:26

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